77422086 has 48 divisors (see below), whose sum is σ = 192201984. Its totient is φ = 22064112.

The previous prime is 77422067. The next prime is 77422087. The reversal of 77422086 is 68022477.

It is a self number, because there is not a number n which added to its sum of digits gives 77422086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77422087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93205 + ... + 94031.

It is an arithmetic number, because the mean of its divisors is an integer number (4004208).

Almost surely, 2^77422086 is an apocalyptic number.

77422086 is an abundant number, since it is smaller than the sum of its proper divisors (114779898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77422086 is a wasteful number, since it uses less digits than its factorization.

77422086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 77422086 is about 8798.9821002205. The cubic root of 77422086 is about 426.2080250947.

The spelling of 77422086 in words is "seventy-seven million, four hundred twenty-two thousand, eighty-six".